Thickness Gauges

27MG Ultrasonic Thickness Gauge

27MG Ultrasonic Thickness Gauge overview

The Evident Olympus 27MG is an affordable ultrasonic thickness gauge designed to make accurate, measurements from one side on internally corroded or eroded metal pipes, tanks, and other equipment. It weighs only 12 oz. (340 g) and is ergonomically designed for easy, one-hand operation. Despite its compact size, the 27MG has many innovative measurement features utilizing the same technologies that are available on our more advanced thickness gauges. The durable, rugged 27MG is battery-operated and features a large, backlit LCD with easy-to-read numerals, and an intuitive color-coded keypad with direct access to many key features.

Standard features include Automatic Probe Recognition to ensure optimal transducer performance, Auto Zero compensation to enhance the accuracy of measurements on hot surfaces, Gain Adjust to improve measurements on sound-attenuating materials such as cast metals, Differential mode, Hi-Low Alarm settings, and a Min./Max. mode that captures the minimum or maximum thickness at 20 measurements per second.

The 27MG is designed for inspectors and maintenance engineers that need to monitor the wall thickness in metal pipes, tanks, beams, and structural supports that are susceptible to corrosion on the inside surface. An ultrasonic thickness gauge provides a quick, cost-effective solution by transmitting sound into the material from the outside, making it unnecessary to damage the part.

27MG transducers

The 27MG comes standard with the low-cost D7910 dual element transducer that enables you to make thickness measurement for many basic corrosion applications. For measurements on very thin or thick materials, or small diameter pipes, Olympus has available a full line of dual element transducers. Olympus transducers compatible with the 27MG feature Automatic Probe Recognition that optimizes transducer performance by automatically recalling the default V-path correction.

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45MG Ultrasonic Thickness Gauge

In its basic configuration the Evident 45MG is a simple and straightforward gauge that requires minimal operator training to tackle most common thickness gauging applications. With additional optional software options and transducers however, the 45MG can become significantly more advanced and take on applications well beyond that of a typical entry-level gauge. Furthermore, most options are available individually at the time of purchase or can be added in the future as your needs change.

Features of the 45MG Ultrasonic Thickness Gauge

• Compatible with full line of Olympus dual element transducers for thickness measurements on internally corroded metals
• Min./Max. mode
• Two Alarm modes
• Differential mode
• Time-based B-scan
• Reduction Rate
• Gain Adjust (standard, high, and low)
• Password instrument lock

45 MG Overview

Built for Tough Environments

• Rugged, designed for IP67
• Explosive Atmosphere tested using MIL-STD-810F, Method 511.4, Procedure I.
• Shock tested using MIL-STD-810G, Method 516.5, Procedure I, 6 cycles each axis, 15 g, 11 msec Half sine.
• Vibration tested using MIL-STD-810G, Method 514.5, Procedure I, Annex C, Fig. 6, general exposure: 1 hour each axis.
• Wide operating temperature range
• Optional protective rubber boot with gauge stand

Designed for Easy Operation

• Simple keypad for right hand/left hand operation
• Easy operator interface with direct access to most functions
• Internal and removable microSD memory card storage
• USB communication port
• Optional alphanumeric data logger with 475,000 thickness readings or 20,000 waveforms
• Default/Custom single element transducer setups (optional)
• Password protected instrument lock
• Color transflective QVGA display with indoor and outdoor color settings for superior clarity

Optional features of the 45MG

From a simple corrosion gauge to a multi-purpose precision thickness gauge with only a few key strokes. The 45MG offers five code-activated software options that makes it one of the most versatile thickness gauges in the industry.

• Echo-to-Echo / THRU-COAT®: Using Echo-to-Echo, the true metal thickness is displayed and the thickness of the coating layer will be ignored. THRU-COAT measures metal and nonmetallic coating thicknesses, each adjusted for their correct sound velocities. There is no need to remove paint or coatings fromsurfaces.
• Single Element: For very precise thickness measurements on many materials, including metals, plastics, composites, glass, and ceramics. Compatible with single element Microscan transducers ranging from 2.25 MHz to 30 MHz.
• Single Element High Penetration: For thickness measurement on thick or highly attenuating materials such as fiberglass or cast metals. Compatible with single element Microscan transducers ranging from 0.5 MHz to 30 MHz. Included is the Single Element option.
• Data Logger: The 45MG has a full-featured internal bidirectional alphanumeric data logger that is designed to easily store and transfer thickness readings and waveform data. Includes GageView™ interface program, a Windows-based application.
• Live A-scan with Waveform Adjust: This optional Live A-scan mode allows users to view the ultrasound waveform (or A-scan) directly on the gauge’s display, verify the thickness measurement, and make manual adjustments to gain and blanking settings to maximize measurement performance in challenging applications. This helpful option features Manual Gain Adjust, Extended Blanking, First Echo Blank, Range, and Delay.

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38DL PLUS Ultrasonic Thickness Gauge

The Evident 38DL PLUS is an innovative instrument that signals a new era in ultrasonic thickness gauging. Ideally suited for almost every ultrasonic thickness application, this handheld thickness gauge is fully compatible with a full line of dual and single-element transducers. The versatile 38DL PLUS can be used in applications ranging from wall thinning measurements of internally corroded pipes with dual-element probes to very precise thickness measurements of thin or multilayer materials with single-element transducers.

The 38DL PLUS comes standard with many powerful but easy-to-use measurement features and a host of application-specific software options. Its sealed case is designed to meet IP67 requirements to withstand the rigors of very wet or dusty environments. The color transflective VGA display provides superior readability from bright sunlight to complete darkness. It features a simple, ergonomic keypad that can be operated with the left or right hand for easy access to all functions.

Features of the 38DL PLUS Ultrasonic Thickness Gauge

• Dual and single element transducer compatibility
• Wide thickness range: 0.08 mm (0.003 in.) to 635 mm (25 in.) depending on material and transducer selection
• Corrosion thickness gaging with dual element transducers
• THRU-COAT^® and Echo-to-Echo measurements on painted and coated surfaces
• Internal Oxide/Scale software option
• Standard resolution of 0.01 mm or 0.001 in. for all transducers
• High Resolution software option of 0.001 mm or 0.0001 in. with single element transducers 2.25 MHz to 30 MHz
• Multilayer software option for measurements of up to four layers simultaneously
• High Penetration software option for attenuating materials such as fiberglass, rubber and thick casting
• Thickness, Velocity, and time-of-flight measurements
• Differential mode and Reduction Rate mode
• Time-based B-scan mode; 10,000 reviewable readings per scan
• Olympus High Dynamic Gain technology with digital filters
• V-Path Builder for custom V-path compensation
• Designed for EN15317

What makes this thickness gauge different from others?

The 38DL PLUS is designed to meet the challenges of demanding applications and built to withstand tough conditions in the field and on the production floor. Whether you work in very wet or dusty conditions, cold or hot climates, or bright or dark areas, the 38DL PLUS can handle any inspection job. Need an instrument tough enough to tolerate shocks, drops, and rough handling? The 38DL PLUS with its protective rubber boot and designed for IP67 rating is your answer.

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Magna-Mike 8600 | Portable Thickness Gauge

The Evident Magna-Mike® 8600 is a portable thickness gauge that uses a simple magnetic method to make reliable and repeatable measurements on nonferrous materials. Operation of the Magna-Mike is very simple. Measurements are made when its magnetic probe is held or scanned on one side of the test material and a small target ball (or disk or wire) is placed on the opposite side or dropped inside a container. The probe’s Hall Effect sensor measures the distance between the probe tip and target ball. The measurements are instantly displayed on the large color thickness display as an easy-to-read digital thickness reading.

Magna-Mike 8600 new features

• Three new durable probe designs:
  –Straight, Right Angle, and Low-profile Articulating
• Replaceable Wear Caps
  –Standard, Chisel tip, and Extended Wear (for 86PR-1 and 86PR-2 only)
• Expanded target selection
  –3/16 and 1/4 in. magnetic target balls
  –0.045 in. (1.14 mm) 0.026 in. (0.66 mm) diameter wire target
• Expanded thickness range up to 25.4 mm (1.00 in.)
• Larger Color VGA display
• RS-232, USB and VGA outputs
• Fast Measurement update rate 60 Hz
• Expanded alphanumeric data logger
• Save and Recall stored calibration files
• Ability to export file to MicroSD card in .txt and CSV formats
• New accessory kits (Calibration kits)
  –Standard up to 9.1 mm (0.360 in.)
  –Extended range up to 25.4 mm (1 in.)
  –Disk kit
  –Wire target kit
  –Low-profile probe kit

Magna-Mike internal alphanumeric data logger

The Magna-Mike® has an extensive file-based alphanumeric data logger that is designed to easily store and transfer thickness readings. You can store thickness readings in one of four standard file formats: Incremental, Sequential, Sequential with Custom Point and 2-D Grid.

• Single Send or File Send directly to an Excel spread sheet using WINXL
• Send data to other SPC program
• Both USB and RS-232 outputs
• Export files to a removable MicroSD card in .txt and CSV formats
• Generate on-board reports

Direct Interface to Excel Spread Sheets

The Magna-Mike 8600 has RS-232 and USB outputs that enable the instrument to directly send data to an Excel spread sheet. The included WINXL interface program enables you to single send or file send thickness readings.

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72DL PLUS Ultrasonic Thickness Gauge

The Evident 72DL PLUS™ ultrasonic thickness gauge delivers precision thickness measurements at high speed in a portable, easy-to-use device. With fast scanning, advanced algorithms, and our lowest-ever minimum thickness capability, you can confidently measure the thickness of very thin layers in the most challenging applications.

72DL PLUS thickness gauges are available in Standard Frequency and High-Frequency models. The High-Frequency model can measure ultra-thin materials, including multilayer paint, plastics, metals, and coatings, and the Multilayer Measurement Software can simultaneously display the thickness of up to six independent layers. All 72DL PLUS models have the features to perform fast, accurate thickness measurements:

• Digital filters enable an excellent signal-to-noise ratio to accurately measure noisy materials (e.g., fiberglass)
• High-resolution touch screen is easy to use and see from various angles
• PC Interface Application integrates your workflow, inspection management, alerts, and data analysis

72DL PLUS features

• Rugged: designed for IP65
• Large, clear screen: 177.8 mm (7 in.) high-resolution touch screen WVGA display
• Versatile layouts: A-Scan, B-Scan, A/B-Scan, Trend, and Zoom measurement layouts provide an accurate picture of thickness changes
• Customizable: Standard Frequency model and High frequency model with Multilayer Measurement software to simultaneously measure thickness of up to 6 layers
• Guided Inspection: Interactive part map with thickness measurement locations (TMLs) show a quick view of the inspection status and quality
• Long battery life: up to 8 continuous hours
• Efficient data management: internal data logging and PC Interface Application speed up data collection and review
• Connected: supports wireless LAN
• Cloud enabled: wireless connection to the Olympus Scientific Cloud™ (OSC) and compatible OSC apps
• Easy application setup: create custom applications to reduce device setup time for routine inspections

An Ultrasonic Thickness Gauge Built for Industrial Environments

• Designed for IP65 to protect against dust and moisture
• Drop tested (MIL-STD-810G) to protect against falls and reduce the need for costly repairs
• Takes reliable measurements in a wide operating temperature range of –10°C to 50°C (14°F to 122°F)
• Portable for the production floor, weighing 2.1 kg (4.6 lb)
• Easy to control from the touch screen, key controls, and adjustment knob
• Can be used indoors and outdoors, on a work surface, or using a four-point chest harness or shoulder strap

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